Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas eleições tiveram em média 1423 eleitores por candidato?
 ###Tabelas: CREATE TABLE ranking_points (ranking_points_id AUTO_INCREMENT PRIMARY KEY, Finishing position VARCHAR, Points awarded (Platinum) INT, Points awarded (Gold) INT, Points awarded (Silver) INT, Points awarded (Satellite) INT) CREATE TABLE summary_of_general_election_performance (summary_of_general_election_performance_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Number of Candidates INT, Total votes INT, Average voters per candidate INT, Percentage of vote VARCHAR, Saved deposits INT, Change (percentage points) VARCHAR, Number of MPs INT) CREATE TABLE singles_12_3-9 (singles_12_3-9_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score VARCHAR) CREATE TABLE kei_and_ki_indexes_by_country (kei_and_ki_indexes_by_country_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, KEI VARCHAR, KI VARCHAR, Economic Incentive Regime VARCHAR, Innovation VARCHAR, Education VARCHAR, ICT VARCHAR, 2008 Rank INT) CREATE TABLE australia_in_england_1905 (australia_in_england_1905_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Home captain VARCHAR, Away captain VARCHAR, Venue VARCHAR, Result VARCHAR)  
SELECT COUNT Change (percentage points) FROM summary_of_general_election_performance WHERE Average voters per candidate = 1423